Ключевые слова: abraham lincoln, antietam, architecture, army, artillery, battle, battlefield, battleground, bomb, bombardment, cannon, cannonball, civil war, confederate, destination, education, guns, historic, iron, landmark, landscape, learning, lee, marine, national, national park, nature, navy, north, old, outdoors, parks, places, preservation, protect, protected, sacred, sculpture, sharpsburg, solemn, south, structure, tour, tourism, travel, union, vacation, visit, visitor, warfare,